2168778872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{341863}}^1$

素因数の和:341943

約数の個数: 32

約数和(自身を含む): 4451069280

約数和(自身を除く): 2282290408

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 341863, 683726, 1367452, 2734904, 4444219, 8888438, 17776876, 20853643, 35553752, 41707286, 83414572, 166829144, 271097359, 542194718, 1084389436, 2168778872]

約数ペア:

[(1, 2168778872), (2, 1084389436), (4, 542194718), (8, 271097359), (13, 166829144), (26, 83414572), (52, 41707286), (61, 35553752), (104, 20853643), (122, 17776876), (244, 8888438), (488, 4444219), (793, 2734904), (1586, 1367452), (3172, 683726), (6344, 341863)]